Bicycle helmet



FIG. 1 is a perspective view of the bicycle helmet;

FIG. 2 is a right side view of the bicycle helmet of FIG. 1;

FIG. 3 is a left side view of the bicycle helmet of FIG. 1;

FIG. 4 is a front view of the bicycle helmet of FIG. 1;

FIG. 5 is a rear view of the bicycle helmet of FIG. 1; and,

FIG. 6 is a top view of the bicycle helmet of FIG. 1.

The broken lines depict portions of the bicycle helmet that form no partof the claimed design.

CLAIM The ornamental design for a bicycle helmet, as shown anddescribed.